PRESS RELEASES 2000 CenturyTel deploys DSET electronic bonding Bridgewater, NJ - December 27, 2000 DSET Ships ezLocal 3.0.2 Ordering Gateway Bridgewater, NJ - November 28, 2000 Fathom Solutions to Join DSET Alliance Program Bridgewater, NJ - October 30, 2000 DSET Reports Third-Quarter Results Bridgewater, NJ - October 24, 2000 DSET Will Report Third-Quarter Results on October 24 Bridgewater, NJ - October 19, 2000 CapRock Communications Automates UNE-P Ordering with DSET Solution Bridgewater, NJ - October 2, 2000 Choice One Achieves Electronic Bonding Solution with Verizon-South Rochester, New York - September 13, 2000 Coreon and DSET Accelerate Market Entry for Competitive Carriers Bridgewater, NJ - September 5, 2000 DSET Named New Jersey "Fast 50" Technology Company for Third Consecutive Year Bridgewater, NJ - August 21, 2000 NewSouth Communications To Deploy Five DSET Gateway Solutions Bridgewater, NJ - August 15, 2000 TMNG and DSET Partner to Provide Leading OSS Solutions to the Global Telecom Market Overland Park, KS, and Bridgewater, NJ - July 31, 2000 NetworkOSS Launches Single-source Solutions for Operations Support Systems New York, NY- July 25, 2000 DSET's Q2 Net Income Increases 232%; Revenues Up 78% Bridgewater, NJ - July 25, 2000 DSET Appoints Jeff Gill As Vice President of Professional Services Bridgewater, NJ - July 24, 2000 Daleen and DSET Form Strategic Alliance Boca Raton, Florida, July 19, 2000 DSET and MetaSolv Solutions Cited in National Award for Allegiance Telecom Bridgewater, NJ and Plano, TX - July 17, 2000 Choice One Uses DSET to Provide Gateway for DSL Circuit Electronic Bonding Rochester, New York and Bridgewater, New Jersey - June 22, 2000 ConnectSouth Communications Selects DSET Solution for DSL Service Bridgewater, NJ - June 21, 2000 William P. McHale, Jr. Elected Chairman of DSET Board Bridgewater, NJ - June 7, 2000 Latest DSET Web Seminars to Feature DSL Solution Suite, Trouble Management, and Sales-Quote Automation for CLECs Bridgewater, NJ - June 6, 2000 DSET and Vitria Partner to Deliver ebusiness Solution for DSL Industry Bridgewater, NJ - June 5, 2000 DSET Named "Hot Growth" Company by Business Week Magazine Bridgewater, NJ - May 26, 2000 Allegiance Telecom Chooses DSET Solutions for Increasing Sales-Force Productivity Bridgewater, NJ and Dallas, TX - May 22, 2000 Sagent and DSET Partner to Deliver Real-Time DSL Loop Pre-Qualification for Telecom Industry MOUNTAIN VIEW, Calif.-May 15, 2000 Network Plus Receives Certification from Bell Atlantic for Electronic Bonding Quincy, Massachusetts - May 8, 2000 DSET's Net Income Up 61%; Revenues Up 55% Bridgewater, NJ - April 20, 2000 Birch Telecom Chooses DSET Business-To-Business E-Commerce Solutions Bridgewater, NJ - April 19, 2000 ADC and DSET Team to Offer Higher Level of Integrated Services for Competitive Telecommunications Carriers MINNEAPOLIS--April 17, 2000 NETtel Automates Key Business Processes with DSET E-Commerce Solutions Bridgewater, NJ - April 12, 2000 KPMG Consulting to Feature DSET E-Commerce Solutions In Digital Broadband Solutions Centers Bridgewater, NJ - April 3, 2000 Net2000 Expedites Local Ordering Process via Electronic Bonding with Bell Atlantic Herndon, VA - March 16, 2000 DSET Announces DSL Solution for DLECs Bridgewater, NJ - March 6, 2000 DSET Gateway Solutions to Interconnect Mpower Communications with Seven Trading Partners Bridgewater, NJ - February 28, 2000 CommTech and DSET Announce Alliance to Provide ASP-Hosted Service Management Solutions Cranbury, NJ, and Bridgewater, NJ - February 24, 2000 DSET and Mercator® Partner for Faster Deployment of Telecommunications E-Commerce Solutions BRIDGEWATER, NJ and WILTON, Conn. - February 23, 2000 Lucent Technologies to Integrate DSET Number Portability Solution with its New Service Management System for Service Provider Networks Bridgewater, NJ - February 15, 2000 Aerial Communications Chooses DSET's Number Portability Solution Bridgewater, NJ - February 14, 2000 DSET and Vitria Technology Integrate Solutions for Automating CLEC Business Processes Bridgewater, NJ - February 9, 2000 DSET Reports Record Sales and Earnings for the Fourth Quarter and the Year Bridgewater, NJ - February 8, 2000 DSET Ships Enhanced Version of ezLocal Ordering Gateway Bridgewater, NJ - February 8, 2000 Missouri-Based Gabriel Communications Chooses DSET Solutions to Automate Pre-Order and Ordering Operations Bridgewater, NJ - February 7, 2000 LightNetworks to Build Telecom Service Structure with DSET Electronic-Bonding Solutions Bridgewater, NJ - January 31, 2000 DSET Announces BusinessEdge to Partner in Alliance Program Bridgewater, NJ - January 10, 2000